SB-677 N08904 Stainless Steels to SB-677

SB-677 N08904 - Specification & Application

  • SB-677 - UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube

UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube

Chemical composition(wt.%) of SB-677 N08904 grade: to SB-677

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.02
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.035
Cr 19.00 23.00
Ni 23.00 28.00
Mo 4.00 5.00
Cu 1.00 2.00

SB-677 N08904 - Detail

UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube

Mechanical properties of grade SB-677 N08904 SB-677

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
418 (≥) 936 (≥) 31 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade SB-677 N08904 SB-677

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
831 (≥) 552 (≥) 14 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
332 989 824

Equivalent Products

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